class XiyoujiRenwu{
  float height,weight;
  String head,ear;
  void speak(String s) {
    System.out.println(s);
  }
}
public class Example4_1 {
  public static void main(String args[]){
    XiyoujiRenwu zhubajie;   //声明对象
    zhubajie = new XiyoujiRenwu();  //为对象分配变量（使用new和默认的构造方法）
  }
} 
